pulumi/sdk/go/common/workspace/creds_test.go

55 lines
1.2 KiB
Go

package workspace
import (
"sync"
"testing"
"github.com/stretchr/testify/assert"
)
//nolint:paralleltest // mutates environment
func TestConcurrentCredentialsWrites(t *testing.T) {
// save and remember to restore creds in ~/.pulumi/credentials
// as the test will be modifying them
oldCreds, err := GetStoredCredentials()
assert.NoError(t, err)
defer func() {
err := StoreCredentials(oldCreds)
assert.NoError(t, err)
}()
// use test creds that have at least 1 AccessToken to force a
// disk write and contention
testCreds := Credentials{
AccessTokens: map[string]string{
"token-name": "token-value",
},
}
// using 1000 may trigger sporadic 'Too many open files'
n := 256
wg := &sync.WaitGroup{}
wg.Add(2 * n)
// Store testCreds initially so asserts in
// GetStoredCredentials goroutines find the expected data
err = StoreCredentials(testCreds)
assert.NoError(t, err)
for i := 0; i < n; i++ {
go func() {
defer wg.Done()
err := StoreCredentials(testCreds)
assert.NoError(t, err)
}()
go func() {
defer wg.Done()
creds, err := GetStoredCredentials()
assert.NoError(t, err)
assert.Equal(t, "token-value", creds.AccessTokens["token-name"])
}()
}
wg.Wait()
}